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Supervised by Ministry of Industry and Information Technology of The People's Republic of China Sponsored by Harbin Institute of Technology Editor-in-chief Yu Zhou ISSNISSN 1005-9113 CNCN 23-1378/T

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Related citation:Jun Li,Xian-Lin Meng,Wen-Long Song.Intelligent Temperature Control System Design Based on Single-Chip Microcomputer[J].Journal of Harbin Institute Of Technology(New Series),2014,21(3):91-94.DOI:10.11916/j.issn.1005-9113.2014.03.013.
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Intelligent Temperature Control System Design Based on Single-Chip Microcomputer
Author NameAffiliation
Jun Li College of Mechanical and Electrical Engineering, Northeast Forestry University, Harbin 150040, China 
Xian-Lin Meng School of Municipal and Environmental Engineering, Harbin Institute of Technology, Harbin 150001, China 
Wen-Long Song College of Mechanical and Electrical Engineering, Northeast Forestry University, Harbin 150040, China 
Abstract:
A design method of an intelligent temperature control system based on single-chip microcomputer is presented in this paper. The intelligent temperature control system is divided into four parts: monitor, heater, controlled process and feedback loop. Among them, the temperature detection circuit is designed with the conductivity of water by sensor detection. The optical coupler MOC3041 is used to implement the power control circuit, whose control object is 1 kW electric heater with the 220 V alternating current power; keyboard and display circuit SMC1602A include four buttons and LCD display to achieve human-computer interaction; Based on single-chip system STC89C52, the sensor signal and keyboard set target temperature are compared to the power automatically in order to finish the water temperature control. Through the static and dynamic data testing, the results show that the proposed method provides an effective way to realize the real-time acquisition and control of temperature.
Key words:  microcontroller  temperature sensors  power control  SCR
DOI：10.11916/j.issn.1005-9113.2014.03.013
Clc Number:TP29
Fund:

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